C++ | Misc C++ | Question 3
Predict the output of following C++ program filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; union A { int a; unsigned… Read More »
C++ | Constructors | Question 10
filter_none edit close play_arrow link brightness_4 code #include <iostream> using namespace std; class Test { public: Test() { cout << “Hello from Test() “;… Read More »
C++ | Misc C++ | Question 2
filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; int x = 1; void fun() { int x = 2; { int x… Read More »
Yahoo Interview | Set 3
I would like to express my gratitude towards the GeeksforGeeks team, whose help saw me through to Amazon’s interview rounds and getting placed at Yahoo.… Read More »
Amazon Interview | Set 36
1 round (20 MCQ + 2 coding question) 3 face to face round, 1 telephonic interview. 1st coding question —————————– Find the diameter of the… Read More »
C | Dynamic Memory Allocation | Question 6
Which of the following is true? (A) “ptr = calloc(m, n)” is equivalent to following ptr = malloc(m * n); (B) “ptr = calloc(m, n)”… Read More »
C | Data Types | Question 4
Predict the output of following C program filter_none edit close play_arrow link brightness_4 code #include <stdio.h> int main() { char a = ‘\012’; printf(“%d”,… Read More »
C | Dynamic Memory Allocation | Question 5
What is the return type of malloc() or calloc() (A) void * (B) Pointer of allocated memory type (C) void ** (D) int * Answer:… Read More »
C++ | this pointer | Question 5
Predict the output of following C++ program? filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; class Test { private: int x;… Read More »
C++ | this pointer | Question 4
Predict the output of following C++ program filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; class Test { private: int x;… Read More »
C++ | this pointer | Question 3
Predict the output of following C++ program. filter_none edit close play_arrow link brightness_4 code #include<iostream> using namespace std; class Test { private: int x;… Read More »
C++ | this pointer | Question 2
What is the use of this pointer? (A) When local variable’s name is same as member’s name, we can access member using this pointer. (B)… Read More »
C++ | this pointer | Question 1
Which of the following is true about this pointer? (A) It is passed as a hidden argument to all function calls (B) It is passed… Read More »
When does compiler create default and copy constructors in C++?
In C++, compiler creates a default constructor if we don’t define our own constructor (See this). Compiler created default constructor has empty body, i.e., it… Read More »
C++ | Constructors | Question 9
Predict the output of following program. filter_none edit close play_arrow link brightness_4 code #include<iostream> #include<stdlib.h> using namespace std; class Test { public: Test() {… Read More »
